Features:Smart Design - Lock bracelet is Bracelet Size: approx.6x4.7cm\/ 2.36 x1.85in. We recommend that you measure your wrist before buying to avoid it not fitting your wrist. Romantic matching couple jewelry symbolize that only this key will open up the heart lock bracelet.Amazing Quality - Made of high quality titanium steel, the love heart bracelet with key necklace is polishing technique, anti- rust, nickel free and hypoallergenic for safe, comfortable wear. The heart bracelet has a smooth shining surface, long-time color retention, excellent craftsmanship and top quality, and it is amazingly hypoallergenic shiny rhinestone embed makes the bracelet more charming and elegant, you deserve to own It.Couple Selection - Unique design by womens heart lock bracelet with mens key necklace, the couples jewelry is romantic gifts for girlfriend and wife on valentines day, Christmas, birthday, wedding, anniversary. It is a unique and romantic way to express your everlasting love. It means you\